<!DOCTYPE HTML PUBLIC "-//W3C//DTD HTML 4.01 Transitional//EN" "http://www.w3.org/TR/html4/loose.dtd">
<html lang="en">
<head>
<title>Source code</title>
<link rel="stylesheet" type="text/css" href="../../../../../stylesheet.css" title="Style">
</head>
<body>
<div class="sourceContainer">
<pre><span class="sourceLineNo">001</span><a name="line.1"></a>
<span class="sourceLineNo">002</span>/*<a name="line.2"></a>
<span class="sourceLineNo">003</span> * Copyright (C) 2011 Archie L. Cobbs. All rights reserved.<a name="line.3"></a>
<span class="sourceLineNo">004</span> *<a name="line.4"></a>
<span class="sourceLineNo">005</span> * $Id: QueryList.html 689 2013-06-28 19:22:16Z archie.cobbs $<a name="line.5"></a>
<span class="sourceLineNo">006</span> */<a name="line.6"></a>
<span class="sourceLineNo">007</span><a name="line.7"></a>
<span class="sourceLineNo">008</span>package org.dellroad.stuff.vaadin7;<a name="line.8"></a>
<span class="sourceLineNo">009</span><a name="line.9"></a>
<span class="sourceLineNo">010</span>/**<a name="line.10"></a>
<span class="sourceLineNo">011</span> * Cacheable list of Java objects backing an {@link AbstractQueryContainer}.<a name="line.11"></a>
<span class="sourceLineNo">012</span> * Instances contain a list of Java objects (or some portion thereof), and may become invalid over time.<a name="line.12"></a>
<span class="sourceLineNo">013</span> *<a name="line.13"></a>
<span class="sourceLineNo">014</span> * @see AbstractQueryContainer<a name="line.14"></a>
<span class="sourceLineNo">015</span> */<a name="line.15"></a>
<span class="sourceLineNo">016</span>public interface QueryList&lt;T&gt; {<a name="line.16"></a>
<span class="sourceLineNo">017</span><a name="line.17"></a>
<span class="sourceLineNo">018</span>    /**<a name="line.18"></a>
<span class="sourceLineNo">019</span>     * Get the total size of this list.<a name="line.19"></a>
<span class="sourceLineNo">020</span>     *<a name="line.20"></a>
<span class="sourceLineNo">021</span>     * &lt;p&gt;<a name="line.21"></a>
<span class="sourceLineNo">022</span>     * For any given {@link QueryList} instance, this method is expected to return a the same value if invoked multiple times.<a name="line.22"></a>
<span class="sourceLineNo">023</span>     * Therefore, callers may safely choose to invoke it only once on a given instance and cache the result.<a name="line.23"></a>
<span class="sourceLineNo">024</span>     * &lt;/p&gt;<a name="line.24"></a>
<span class="sourceLineNo">025</span>     */<a name="line.25"></a>
<span class="sourceLineNo">026</span>    long size();<a name="line.26"></a>
<span class="sourceLineNo">027</span><a name="line.27"></a>
<span class="sourceLineNo">028</span>    /**<a name="line.28"></a>
<span class="sourceLineNo">029</span>     * Get an item in the list, or throw an exception if this instance is no longer valid<a name="line.29"></a>
<span class="sourceLineNo">030</span>     * or cannot provide the item.<a name="line.30"></a>
<span class="sourceLineNo">031</span>     *<a name="line.31"></a>
<span class="sourceLineNo">032</span>     * @param index index of the item (zero-based)<a name="line.32"></a>
<span class="sourceLineNo">033</span>     * @throws IndexOutOfBoundsException if {@code index} is less than zero or greater than or equal to {@link #size}<a name="line.33"></a>
<span class="sourceLineNo">034</span>     * @throws InvalidQueryListException if this list has become invalid or cannot provide the item<a name="line.34"></a>
<span class="sourceLineNo">035</span>     */<a name="line.35"></a>
<span class="sourceLineNo">036</span>    T get(long index) throws InvalidQueryListException;<a name="line.36"></a>
<span class="sourceLineNo">037</span>}<a name="line.37"></a>
<span class="sourceLineNo">038</span><a name="line.38"></a>




























































</pre>
</div>
</body>
</html>
